
#ifndef BLOCK_H
#define BLOCK_H

#include 
#include 

class Block : public QObject
{
    Q_OBJECT
public:
    explicit Block(QObject *parent = 0);

signals:

public slots:
    void go (int x, int y)
    {
        r->moveBy (x, y);
    }

public:
    QGraphicsRectItem * r;
};

#endif // BLOCK_H



#include "mainwindow.h"
#include "ui_mainwindow.h"

#include 
#include 

#include 
#include 
#include "block.h"

QGraphicsScene * scene;
Block * block;

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    scene = new QGraphicsScene;
    ui->graphicsView->setScene(scene);
    scene->addLine(0, 0, 120, 120);

    QGraphicsRectItem * r = new QGraphicsRectItem;
    r->setRect(10, 10, 200, 100);
    r->setPen (QColor ("red"));
    r->setBrush (QColor ("cornflowerblue"));
    scene->addItem (r);

    block = new Block;
    block->r = r;

    display (this );
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::on_actionRun_triggered()
{
    QScriptEngine e;

    QScriptEngineDebugger debugger;
    debugger.attachTo (&e);
    QMainWindow * debugWindow = debugger.standardWindow ();
    debugWindow->resize (1024, 640);


    QScriptValue infoObject = e.newQObject (ui->output);
    e.globalObject().setProperty ("info", infoObject);

    e.globalObject().setProperty ("win",
                                  e.newQObject (this));

    e.globalObject().setProperty ("block",
                                  e.newQObject (block));

    e.evaluate (ui->input->toPlainText());
}

#include 

void MainWindow::display (QObject * obj)
{
    const QMetaObject * cls = obj->metaObject();
    int n = cls->propertyCount();
    ui->tableWidget->setColumnCount(n);
    ui->tableWidget->setRowCount(n);
    for (int i = 0; i < n; i++)
    {
        QMetaProperty p = cls->property (i);
        QTableWidgetItem * label = new QTableWidgetItem;
        label->setText(p.name());
        ui->tableWidget->setItem (i, 0, label);
    }
}